264 BULLETIN 91, UNITED STATES NATIONAL MUSEUM. Fig. 6. Cyclostrema alfredensis, new species, type, greater diameter 1.7 mm. (profile), p. 169. 7. Cyclostrema alfredensis, new species (top), p. 169. 8. Cyclostrema alfredensis, new species (bottom), p. 169. Plate 36. Fig. 1. Pondorbis alfredensis, new species, type, greater diameter .8 mm. (top), p. 171. 2. Pondorbis alfredensis, new species (profile), p. 171. 3. Pondorbis alfredensis, new species (bottom), p. 171. 4. Leptogyra africana, new species, type, greater diameter 1 mm. (top), p. 173. 5. Leptogyra africana, new species (bottom), p. 173. 6. Leptogyra africana, new species (profile), p. 173. 7. Vitrinella (Docomphala) arifca, new species, type, greater diameter 1.1 mm. (top), p. 168. 8. Vitrinella (Docomphala) arifca, new species (bottom), p. 168. 9. Vitrinella (Docomphala) arifca, new species (profile), p. 168. 10. Graphis africana, new species, type, length 2.3 mm., p. 64. 11. Vanihoro africana, new species, type, altitude 3 mm., p. 140. Plate 37. Fig. 1. Vitrinella rifaca, new species, type, greater diameter 1.8 mm. (top), p. 167. 2. Vitrinella rifaca, new species (bottom), p. 167. 3. Vitrinella rifaca, new species (profile), p. 167. 4. Columbella (Anachis) io, new species, type, length 6.5 .mm., p. 54. 5. Columbella (Seminella) alfredensis, new species, type, length 6.1 mm., p. 56. 6. Murex alfredensis, new species, type, length 6 mm., p. 59. 7. Vitrinella cifara, new species, type, greater diameter 1.4 mm. (profile), p. 167. 8. Vitrinella cifara, new species (top), p. 167. 9. Vitrinella cifara, new species (bottom), p. 167. Plate 38. Fig. 1. Barbatia cafria, new species, type, length 14.2 mm., p. 183. 2. Cylindrobtdla turtoni, new species, type, length 8 mm., p. 8. 3. Bullia lara, new species, type, length 38 mm., p. 53. 4. Lima africana, new species, type, length 13.5 mm., p. 187. 5. Barbatia cafria, new species, p. 183. 6. Littorina africana tryphena, new subspecies, type, length 7 mm., p. 120. Plate 39. Fig. 1. Dinoplax gigas alfredensis, new subspecies, type, length 62 mm., p. 179. 2. Dinoplax gigas alfredensis, new subspecies (top), p. 179. 3. Erycina rifaca, new species, type, length 1.2 mm., p. 197. 4. Hochstetteria paramoea, new species, type, altitude 2.2 mm., p. 184. 5. Rochefortia io, new species, type, length 1.1 mm., p. 201. 6. Hochstetteria alfredensis, new species, type, altitude 3.6 mm. (exterior), p. 184. 7. Hochstetteria alfredensis, new species (interior), p. 184. Plate 40. Fig. 1. Solen alfredensis, new species, type, length 96.5 mm. (exterior), p. 208. 2. Solen alfredensis, new species (interior), p. 208. 3. Atrina alfredensis, new species, type, length 73 mm., p. 183.
SOUTH AFRICAN MARINE MOLLUSKS. 265 Plate 41. Fig. 1. Crenella alfredensis, new species, type, altitude 3.2 mm., p. 189. 2. Modiolaria africana, new species, type, length 3.5 mm., p. 190. 3. Rochefortia elsa, new species, type, length 1.8 mm., p. 200. 4. Modiolaria ima, new species, type, length 7 mm., p. 190. 5. Modiolaria ima, new species, p. 190. 6. Bornia farica, new species, cotype, length 3 mm., p. 198. 7. Bornia arfica, new species, type, length 2.8 mm., p. 199. Plate 42. Fig. 1. Bornia (Pythina) africana, new species, type, length 13.8 mm., p. 199. 2. Bornia. (Pythina) africana, new species, p. 199. 3. Rochefortia helena, new species, type, length 1.5 mm., p. 201. 4. Rochefortia. helena, new species, p. 201. 5. Modiolaria cuneata Gould cotype, length, 11.8 mm. (interior), p. 189. 6. Modiolaria cuneata Gould (exterior), p. 189. 7. Erycina ima, new species, type, length 2.2 mm. (interior), p. 197. 8. Erycina ima, new species (exterior), p. 197. 9. Lasea turtoni, new species, type, length 4.1 mm. (interior), p. 201. 10. Lasea turtoni, new species (exterior), p. 201. Plate 43. Fig. 1. Ungulina alfredensis, new species, cotype, length 18 mm. (exterior), p. 196. 2. Ungulina alfredensis, new species (interior), p. 196. 3. Erycina firmata Goxild, type, length 4.8 mm. (exterior), p. 196. 4. Erycina firmata Gould (interior), p. 196. 5. Eastonia africana, new species, type, length 36 mm. (exterior), p. 209. 6. Eastonia africana, new species (interior), p. 209. 7. Erycina alfredensis, new species, type, length 4.9 mm. (exterior), p. 197. 8. Erycina alfredensis, new species, type, (interior), p. 197. Plate 44. Fig. 1. Pholas alfredensis, new species, type, length 41 mm. (exterior), p. 210. 2. Pholas alfredensis, new species (interior), p. 210. 3. Anomalocardia alfredensis, new species, type, length 31 mm. (exterior), p. 203. 4. Anomalocardia alfredensis, new species (interior), p. 203. 5. Dentalium strigatum Gould, cotype, length, 15.1 mm., p. 180. 6. Mactra alfredensis, new species, type, length 41 mm. (exterior), p. 209. 7. Mactra alfredensis, new species (interior), p. 209. Plate 45. Fig. 1. Rochefortia convexa Gould, cotype, length 4.2 mm., p. 199. 2. Rochefortia convexa Gould, p. 199. 3. Scintilla turtoni, new species, type, length 8.5 mm., p. 196. 4. Digitaria africana, new species, type, length 3.7 mm., p. 194. 5. Rochefortia enora, new species, type, length 3.8 mm., p. 200. 6. Erycina carifa, new species, type, length 3.5 mm., p. 197. 7. Abra africana, new species, type, length 5 mm., p. 206. 8. Theora alfredensis, new species, type, length 9.2 mm., p. 206.
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abbreviate, Desmoulea 52, 223 Venus
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Amphiperas smithi 96, 224 Amphipera
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INDEX. 275 Page. capensis, Trochus
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Clionella bornii 18,221 confusa 15,
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Crepidula aculeata 136, 225 adspers
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INDEX. 283 Page. Felaniella alfrede
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INDEX. 285 Page. gryphina, Chama 19
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Lampusia murray i 240 langleyi, Col
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Margaritiphora 185 capensis 185, 22
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multicolor, Gibbula 158,226 multieo
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obeliscus, Mitra 243 Turbonilla 76
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pyramidalis, Alectrion 52,222 Bucci
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taeniata, Natica 245 taeniatum, Cer
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Triton vespaceum 254 Tritonalia 60
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vertebrata, Pleurotoma 248 vesicula